BR112016001245A2 - - Google Patents
Info
- Publication number
- BR112016001245A2 BR112016001245A2 BR112016001245A BR112016001245A BR112016001245A2 BR 112016001245 A2 BR112016001245 A2 BR 112016001245A2 BR 112016001245 A BR112016001245 A BR 112016001245A BR 112016001245 A BR112016001245 A BR 112016001245A BR 112016001245 A2 BR112016001245 A2 BR 112016001245A2
- Authority
- BR
- Brazil
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177374.9 | 2013-07-22 | ||
| EP13177374 | 2013-07-22 | ||
| EP20130189339 EP2830333A1 (en) | 2013-07-22 | 2013-10-18 | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
| EP13189339.8 | 2013-10-18 | ||
| PCT/EP2014/065395 WO2015011014A1 (en) | 2013-07-22 | 2014-07-17 | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112016001245A2 true BR112016001245A2 (ko) | 2017-07-25 |
| BR112016001245B1 BR112016001245B1 (pt) | 2022-06-21 |
Family
ID=48832794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112016001245-3A BR112016001245B1 (pt) | 2013-07-22 | 2014-07-17 | Descorrelacionador multicanal, decodificador de áudio multicanal, codificador de áudio multicanal e métodos |
Country Status (19)
| Country | Link |
|---|---|
| US (6) | US11115770B2 (ko) |
| EP (5) | EP2830333A1 (ko) |
| JP (3) | JP6434013B2 (ko) |
| KR (1) | KR101893410B1 (ko) |
| CN (1) | CN105580390B (ko) |
| AR (2) | AR097015A1 (ko) |
| AU (2) | AU2014295206B2 (ko) |
| BR (1) | BR112016001245B1 (ko) |
| CA (1) | CA2919077C (ko) |
| ES (3) | ES2924174T3 (ko) |
| MX (3) | MX362548B (ko) |
| MY (1) | MY178904A (ko) |
| PL (1) | PL3025515T3 (ko) |
| PT (1) | PT3025515T (ko) |
| RU (1) | RU2666640C2 (ko) |
| SG (1) | SG11201600491SA (ko) |
| TW (1) | TWI587285B (ko) |
| WO (1) | WO2015011014A1 (ko) |
| ZA (1) | ZA201601047B (ko) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2830333A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
| CN105531761B (zh) * | 2013-09-12 | 2019-04-30 | 杜比国际公司 | 音频解码系统和音频编码系统 |
| JP6576458B2 (ja) * | 2015-03-03 | 2019-09-18 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 変調された脱相関による空間的オーディオ信号の向上 |
| EP3067885A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multi-channel signal |
| CN107886960B (zh) * | 2016-09-30 | 2020-12-01 | 华为技术有限公司 | 一种音频信号重建方法及装置 |
| US10349196B2 (en) | 2016-10-03 | 2019-07-09 | Nokia Technologies Oy | Method of editing audio signals using separated objects and associated apparatus |
| US10839814B2 (en) * | 2017-10-05 | 2020-11-17 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| CN109688497B (zh) * | 2017-10-18 | 2021-10-01 | 宏达国际电子股份有限公司 | 声音播放装置、方法及非暂态存储介质 |
| EP3588988B1 (en) * | 2018-06-26 | 2021-02-17 | Nokia Technologies Oy | Selective presentation of ambient audio content for spatial audio presentation |
| EP3899929A1 (en) * | 2018-12-20 | 2021-10-27 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for controlling multichannel audio frame loss concealment |
| GB2582748A (en) * | 2019-03-27 | 2020-10-07 | Nokia Technologies Oy | Sound field related rendering |
| GB2584630A (en) * | 2019-05-29 | 2020-12-16 | Nokia Technologies Oy | Audio processing |
| EP3761672B1 (en) | 2019-07-02 | 2023-04-05 | Dolby International AB | Using metadata to aggregate signal processing operations |
| KR20230001135A (ko) * | 2021-06-28 | 2023-01-04 | 네이버 주식회사 | 사용자 맞춤형 현장감 실현을 위한 오디오 콘텐츠를 처리하는 컴퓨터 시스템 및 그의 방법 |
Family Cites Families (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030014439A1 (en) * | 2001-06-20 | 2003-01-16 | International Business Machines Corporation | Defining a markup language representation for state chart data |
| ATE390683T1 (de) * | 2004-03-01 | 2008-04-15 | Dolby Lab Licensing Corp | Mehrkanalige audiocodierung |
| CN102122509B (zh) * | 2004-04-05 | 2016-03-23 | 皇家飞利浦电子股份有限公司 | 多信道解码器和多信道解码方法 |
| TWI393121B (zh) | 2004-08-25 | 2013-04-11 | Dolby Lab Licensing Corp | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
| US7720230B2 (en) | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
| SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| SE0402652D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| CN101151658B (zh) | 2005-03-30 | 2011-07-06 | 皇家飞利浦电子股份有限公司 | 多声道音频编码和解码方法、编码器和解码器 |
| WO2006132857A2 (en) * | 2005-06-03 | 2006-12-14 | Dolby Laboratories Licensing Corporation | Apparatus and method for encoding audio signals with decoding instructions |
| US8626503B2 (en) | 2005-07-14 | 2014-01-07 | Erik Gosuinus Petrus Schuijers | Audio encoding and decoding |
| JP4650343B2 (ja) | 2005-07-15 | 2011-03-16 | セイコーエプソン株式会社 | 電気光学装置及び電子機器 |
| KR20070025905A (ko) | 2005-08-30 | 2007-03-08 | 엘지전자 주식회사 | 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법 |
| KR101277041B1 (ko) * | 2005-09-01 | 2013-06-24 | 파나소닉 주식회사 | 멀티 채널 음향 신호 처리 장치 및 방법 |
| US8073703B2 (en) * | 2005-10-07 | 2011-12-06 | Panasonic Corporation | Acoustic signal processing apparatus and acoustic signal processing method |
| KR100888474B1 (ko) | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
| KR101218776B1 (ko) | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
| US8208641B2 (en) * | 2006-01-19 | 2012-06-26 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
| KR100773560B1 (ko) * | 2006-03-06 | 2007-11-05 | 삼성전자주식회사 | 스테레오 신호 생성 방법 및 장치 |
| TW200742275A (en) * | 2006-03-21 | 2007-11-01 | Dolby Lab Licensing Corp | Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information |
| ES2362920T3 (es) | 2006-03-28 | 2011-07-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Método mejorado para la conformación de señales en reconstrucción de audio multicanal. |
| WO2007111568A2 (en) | 2006-03-28 | 2007-10-04 | Telefonaktiebolaget L M Ericsson (Publ) | Method and arrangement for a decoder for multi-channel surround sound |
| EP2005787B1 (en) | 2006-04-03 | 2012-01-25 | Srs Labs, Inc. | Audio signal processing |
| US8027479B2 (en) | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
| BRPI0715312B1 (pt) * | 2006-10-16 | 2021-05-04 | Koninklijke Philips Electrnics N. V. | Aparelhagem e método para transformação de parâmetros multicanais |
| MY145497A (en) | 2006-10-16 | 2012-02-29 | Dolby Sweden Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
| EP2122613B1 (en) | 2006-12-07 | 2019-01-30 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
| AU2008243406B2 (en) * | 2007-04-26 | 2011-08-25 | Dolby International Ab | Apparatus and method for synthesizing an output signal |
| EP2210427B1 (en) * | 2007-09-26 | 2015-05-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for extracting an ambient signal |
| PL2198632T3 (pl) | 2007-10-09 | 2014-08-29 | Koninklijke Philips Nv | Sposób i urządzenie do generowania dwuusznego sygnału audio |
| BRPI0816557B1 (pt) | 2007-10-17 | 2020-02-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Codificação de áudio usando upmix |
| EP2093911A3 (en) | 2007-11-28 | 2010-01-13 | Lg Electronics Inc. | Receiving system and audio data processing method thereof |
| US8126172B2 (en) | 2007-12-06 | 2012-02-28 | Harman International Industries, Incorporated | Spatial processing stereo system |
| CN101911732A (zh) | 2008-01-01 | 2010-12-08 | Lg电子株式会社 | 用于处理音频信号的方法和装置 |
| US20090194756A1 (en) * | 2008-01-31 | 2009-08-06 | Kau Derchang | Self-aligned eletrode phase change memory |
| WO2009102750A1 (en) | 2008-02-14 | 2009-08-20 | Dolby Laboratories Licensing Corporation | Stereophonic widening |
| US8583424B2 (en) | 2008-06-26 | 2013-11-12 | France Telecom | Spatial synthesis of multichannel audio signals |
| EP2144229A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient use of phase information in audio encoding and decoding |
| EP2175670A1 (en) | 2008-10-07 | 2010-04-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Binaural rendering of a multi-channel audio signal |
| MY160545A (en) | 2009-04-08 | 2017-03-15 | Fraunhofer-Gesellschaft Zur Frderung Der Angewandten Forschung E V | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
| WO2010118763A1 (en) * | 2009-04-15 | 2010-10-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multichannel echo canceller |
| BRPI1009648B1 (pt) | 2009-06-24 | 2020-12-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | decodificador de sinal de áudio, método para decodificador um sinal de áudio e programa de computador com o uso de etapas de processamento de objeto de áudio em cascata |
| PL2285139T3 (pl) | 2009-06-25 | 2020-03-31 | Dts Licensing Limited | Urządzenie i sposób konwersji przestrzennego sygnału audio |
| WO2011013381A1 (ja) * | 2009-07-31 | 2011-02-03 | パナソニック株式会社 | 符号化装置および復号装置 |
| TWI433137B (zh) | 2009-09-10 | 2014-04-01 | Dolby Int Ab | 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法 |
| JP5604933B2 (ja) | 2010-03-30 | 2014-10-15 | 富士通株式会社 | ダウンミクス装置およびダウンミクス方法 |
| JP5753899B2 (ja) * | 2010-07-20 | 2015-07-22 | ファーウェイ テクノロジーズ カンパニー リミテッド | オーディオ信号合成器 |
| SG187950A1 (en) * | 2010-08-25 | 2013-03-28 | Fraunhofer Ges Forschung | Apparatus for generating a decorrelated signal using transmitted phase information |
| BR112014010062B1 (pt) * | 2011-11-01 | 2021-12-14 | Koninklijke Philips N.V. | Codificador de objeto de áudio, decodificador de objeto de áudio, método para a codificação de objeto de áudio, e método para a decodificação de objeto de áudio |
| JP6046274B2 (ja) * | 2013-02-14 | 2016-12-14 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 上方混合されたオーディオ信号のチャネル間コヒーレンスの制御方法 |
| EP2830333A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
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2013
- 2013-10-18 EP EP20130189339 patent/EP2830333A1/en not_active Withdrawn
- 2013-10-18 EP EP20130189345 patent/EP2830334A1/en not_active Withdrawn
-
2014
- 2014-07-17 CA CA2919077A patent/CA2919077C/en active Active
- 2014-07-17 EP EP18178666.6A patent/EP3419315B1/en active Active
- 2014-07-17 ES ES18178666T patent/ES2924174T3/es active Active
- 2014-07-17 RU RU2016105468A patent/RU2666640C2/ru active
- 2014-07-17 EP EP14741278.7A patent/EP3025515B1/en active Active
- 2014-07-17 PL PL14741278T patent/PL3025515T3/pl unknown
- 2014-07-17 EP EP18178664.1A patent/EP3419314B1/en active Active
- 2014-07-17 MY MYPI2016000117A patent/MY178904A/en unknown
- 2014-07-17 BR BR112016001245-3A patent/BR112016001245B1/pt active IP Right Grant
- 2014-07-17 WO PCT/EP2014/065395 patent/WO2015011014A1/en active Application Filing
- 2014-07-17 ES ES18178664T patent/ES2925038T3/es active Active
- 2014-07-17 ES ES14741278T patent/ES2725427T3/es active Active
- 2014-07-17 SG SG11201600491SA patent/SG11201600491SA/en unknown
- 2014-07-17 PT PT14741278T patent/PT3025515T/pt unknown
- 2014-07-17 CN CN201480052100.7A patent/CN105580390B/zh active Active
- 2014-07-17 AU AU2014295206A patent/AU2014295206B2/en active Active
- 2014-07-17 MX MX2016000915A patent/MX362548B/es active IP Right Grant
- 2014-07-17 KR KR1020167004501A patent/KR101893410B1/ko active IP Right Grant
- 2014-07-17 JP JP2016528442A patent/JP6434013B2/ja active Active
- 2014-07-21 TW TW103124969A patent/TWI587285B/zh active
- 2014-07-22 AR ARP140102719A patent/AR097015A1/es active IP Right Grant
- 2014-07-22 AR ARP140102718A patent/AR097014A1/es active IP Right Grant
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2016
- 2016-01-21 MX MX2018012891A patent/MX2018012891A/es unknown
- 2016-01-21 MX MX2018012892A patent/MX2018012892A/es unknown
- 2016-01-22 US US15/004,738 patent/US11115770B2/en active Active
- 2016-02-16 ZA ZA2016/01047A patent/ZA201601047B/en unknown
- 2016-04-25 US US15/138,160 patent/US11240619B2/en active Active
- 2016-04-25 US US15/138,168 patent/US11381925B2/en active Active
- 2016-04-25 US US15/138,176 patent/US10448185B2/en active Active
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2017
- 2017-10-20 AU AU2017248532A patent/AU2017248532B2/en active Active
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2018
- 2018-07-23 JP JP2018137637A patent/JP6687683B2/ja active Active
- 2018-12-20 US US16/228,257 patent/US11252523B2/en active Active
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2020
- 2020-04-02 JP JP2020066343A patent/JP7000488B2/ja active Active
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2021
- 2021-08-27 US US17/459,904 patent/US20220167102A1/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 17/07/2014, OBSERVADAS AS CONDICOES LEGAIS |